There are several suggestion at thee dimax site, including updated drivers.
See "Tech support"
http://www.edimax.com/
"Jonatan G." wrote:
> Hi Evereyone,
> I keep reading of this error in many forums and newsgroups and no one has
> replied. Hopefully I'll be able to find an aswer here, Brian Wherle seems to
> be the man on this subject.
>
> I am running WinXP SP2, and I have an Edimax EW-7106 Series Wireless LAN
> CardBus Adapter which for some reason cannot connect to my Edimax BR6104WB
> wireless router. If I connect it with a cable I have no problems, but if I
> try to connect via Wireless it does not connect. My computer recognizes the
> network (and all of the other networks around me) but if I try to connect it
> just does not. If I run an Ipconfig /all I get the message "media
> disconnected". I can log into the network and router through my laptop so
> this is not the issue.
>
> Any suggestions? I am willing to try anything at this point.
>